[INFO] fetching crate rsgenetic 1.8.1...
[INFO] testing rsgenetic-1.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rsgenetic 1.8.1 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate rsgenetic 1.8.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsgenetic 1.8.1
[INFO] finished tweaking crates.io crate rsgenetic 1.8.1
[INFO] tweaked toml for crates.io crate rsgenetic 1.8.1 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate crates.io crate rsgenetic 1.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded rayon v1.0.2
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9e160ac99e3f98afa0d89c103f204742bcf2c02e754fd5fcb5acd227a67a18
[INFO] running `Command { std: "docker" "start" "-a" "0d9e160ac99e3f98afa0d89c103f204742bcf2c02e754fd5fcb5acd227a67a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9e160ac99e3f98afa0d89c103f204742bcf2c02e754fd5fcb5acd227a67a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9e160ac99e3f98afa0d89c103f204742bcf2c02e754fd5fcb5acd227a67a18", kill_on_drop: false }`
[INFO] [stdout] 0d9e160ac99e3f98afa0d89c103f204742bcf2c02e754fd5fcb5acd227a67a18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675678b4dc8ac71c7370634185ac580449dd8d35732d95a42245c2b432cf26d4
[INFO] running `Command { std: "docker" "start" "-a" "675678b4dc8ac71c7370634185ac580449dd8d35732d95a42245c2b432cf26d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rsgenetic v1.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.09s
[INFO] running `Command { std: "docker" "inspect" "675678b4dc8ac71c7370634185ac580449dd8d35732d95a42245c2b432cf26d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675678b4dc8ac71c7370634185ac580449dd8d35732d95a42245c2b432cf26d4", kill_on_drop: false }`
[INFO] [stdout] 675678b4dc8ac71c7370634185ac580449dd8d35732d95a42245c2b432cf26d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42a4bfe65f4e93b0594558a4885651d553bde408a5ca81d3ecb73fda4c533686
[INFO] running `Command { std: "docker" "start" "-a" "42a4bfe65f4e93b0594558a4885651d553bde408a5ca81d3ecb73fda4c533686", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rsgenetic v1.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "42a4bfe65f4e93b0594558a4885651d553bde408a5ca81d3ecb73fda4c533686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a4bfe65f4e93b0594558a4885651d553bde408a5ca81d3ecb73fda4c533686", kill_on_drop: false }`
[INFO] [stdout] 42a4bfe65f4e93b0594558a4885651d553bde408a5ca81d3ecb73fda4c533686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d3a67ba7d408d239723961689b51250c048ce557a9fdab0b706773ac66058ec
[INFO] running `Command { std: "docker" "start" "-a" "5d3a67ba7d408d239723961689b51250c048ce557a9fdab0b706773ac66058ec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsgenetic-44c2feeb9286e62c)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test sim::earlystopper::tests::test_early_stopper_reached ... ok
[INFO] [stdout] test sim::earlystopper::tests::test_early_stopper_reset ... ok
[INFO] [stdout] test sim::iterlimit::tests::test_iter_limit_reached ... ok
[INFO] [stdout] test sim::iterlimit::tests::test_iter_limit_reset ... ok
[INFO] [stdout] test sim::select::max::tests::test_contains_best ... ok
[INFO] [stdout] test sim::select::max::tests::test_count_odd ... ok
[INFO] [stdout] test sim::select::max::tests::test_count_zero ... ok
[INFO] [stdout] test sim::select::max::tests::test_count_too_large ... ok
[INFO] [stdout] test sim::select::max::tests::test_result_ok ... ok
[INFO] [stdout] test sim::select::max::tests::test_result_size ... ok
[INFO] [stdout] test sim::select::max_unstable::tests::test_count_odd ... ok
[INFO] [stdout] test sim::select::max_unstable::tests::test_count_too_large ... ok
[INFO] [stdout] test sim::select::max_unstable::tests::test_count_zero ... ok
[INFO] [stdout] test sim::select::max_unstable::tests::test_contains_best ... ok
[INFO] [stdout] test sim::select::max_unstable::tests::test_result_ok ... ok
[INFO] [stdout] test sim::select::max_unstable::tests::test_result_size ... ok
[INFO] [stdout] test sim::select::stochastic::tests::test_count_too_large ... ok
[INFO] [stdout] test sim::select::stochastic::tests::test_count_odd ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_count_too_large ... ok
[INFO] [stdout] test sim::select::stochastic::tests::test_result_size ... ok
[INFO] [stdout] test sim::select::stochastic::tests::test_count_zero ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_count_odd ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_new_checked_count_0 ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_count_zero ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_new_checked_count_odd ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_new_checked_ok ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_new_checked_participants ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_participants_too_large ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_participants_zero ... ok
[INFO] [stdout] test sim::seq::tests::test_selector_error_propagate ... ok
[INFO] [stdout] test sim::seq::tests::test_early_stopping ... ok
[INFO] [stdout] test sim::seq::tests::test_max_iters ... ok
[INFO] [stdout] test sim::select::tournament::tests::test_result_size ... ok
[INFO] [stdout] test sim::seq::tests::test_population_get ... ok
[INFO] [stdout] test sim::seq::tests::test_kill_off_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsgenetic
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 154) ... ignored
[INFO] [stdout] test src/lib.rs - (line 28) ... ignored
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/lib.rs - (line 117) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d3a67ba7d408d239723961689b51250c048ce557a9fdab0b706773ac66058ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3a67ba7d408d239723961689b51250c048ce557a9fdab0b706773ac66058ec", kill_on_drop: false }`
[INFO] [stdout] 5d3a67ba7d408d239723961689b51250c048ce557a9fdab0b706773ac66058ec